CN112621637A - Fastening auxiliary tool for small-sized table body semi-closed space screw - Google Patents
Fastening auxiliary tool for small-sized table body semi-closed space screw Download PDFInfo
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- CN112621637A CN112621637A CN202011495861.3A CN202011495861A CN112621637A CN 112621637 A CN112621637 A CN 112621637A CN 202011495861 A CN202011495861 A CN 202011495861A CN 112621637 A CN112621637 A CN 112621637A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000006978 adaptation Effects 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 238000003801 milling Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 210000005069 ears Anatomy 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 210000001503 joint Anatomy 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model provides a fastening assistant utensil that is used for half confined space screw of small-size stage body, rotate on the box and install the driven lever that both ends all stretched out the case setting and the notch adaptation of driven lever lower tip and screw head terminal surface, the crisscross axle rotary transmission device one end that sets up perpendicularly with the driven lever is located in the box and is connected with the driven lever, the crisscross axle rotary transmission device other end stretches out the box setting and drives the driven lever rotation after by the rotatory driving piece drive crisscross axle rotary transmission device rather than tip looks adaptation connection, install the helping hand piece that is used for providing downward pressure for the driven lever with adjustable height in the driven lever upper end. The driven rod is driven to rotate by the rotary driving piece matched with the staggered shaft rotary transmission device, a rotary foundation is provided for the screw, downward pressure is provided for the screw by the aid of the power assisting piece arranged at the upper end of the driven rod with adjustable height, fastening of the screw in a semi-closed space is realized, and quality and production efficiency of product assembly and maintenance are improved.
Description
Technical Field
The invention belongs to the technical field of screw fastening tools, and particularly relates to a fastening assistive device for a small-sized platform body semi-closed space screw.
Background
The fastening of screw need possess certain operating space on the screwhead, that is to say possess screwdriver length and screwdriver handle space of shaking hands, just can realize holding the rotatory fastening screw's of screwdriver handle purpose, but in some small-size platforms, the installation that screw fastener will be realized to half confined space, it is narrow and small to have screwhead upper portion space, and the space size often is less than screwdriver length, and the barrier is on screw upper portion, and the screwdriver can not aim at the screwhead perpendicularly, can't realize holding the rotatory fastening screw's of screwdriver handle purpose. Three methods are currently used to solve this problem: firstly, the existing screwdriver is reformed, and the screwdriver rod is processed into
The method utilizes the corner to avoid the barrier to achieve the purpose of fastening the screw, and has the following defects: 1. two parallel screw rods perpendicular to the head of the screw
In the modified screwdriver, the downward pressure at the handle end of the hand-held screwdriver cannot be completely transmitted to the screwdriver due to the turning part, so the aim of complete fastening cannot be fulfilled; 2. the 360-degree rotation angle of the straight-line screw in the rotation process is realized, due to the narrow space and the existence of obstacles, the working face only has an operable angle of 180 degrees, the angle of the head of the modified screwdriver is fixed and unchanged, and due to the fact that the obstacle can only rotate by about 90 degrees, two or three screwdrivers with different angles of the head of the screwhead are manufactured according to different requirements of angles to be alternately fastened, and a plurality of screwdrivers are required to be manufactured
The screwdriver needs to be used alternately when in operation; 3. making of
The small-sized I-shaped milling knife can go deep into the cavity to avoid obstacles by utilizing the small size of the milling knife, two parts similar to ears on the upper part of the milling knife are held by hands, and two ears are rotated to be fastened by inserting screws into I-shaped grooves on the lower part of the milling knife, so that the method has the following defects: because the finger is small and exquisite, the force for rotating the upper two ears of the finger is limited, the finger needs to avoid the upper obstacle, and only can force the screw to be fixed, but cannot fasten the screw; when a small straight gong cutter is pressed and rotated by fingers, an upper obstacle needs to be avoided, the small straight gong cutter is easy to slide out of a straight groove, and the phenomenon of thread sliding is easy to occur after the small straight gong cutter slides out for multiple times; 4. the screw is replaced by an inner hexagon head from a straight head, and is fastened by an inner hexagon spanner, and the method has the defects that: during operation, the inner hexagonal wrench and the plane of the screw head have an included angle of more than 75 degrees to realize fastening, and the inner hexagonal wrench and the plane of the screw head have an included angle of less than 75 degrees to be used, so that the limitation is too small; therefore, in view of the above, there is a need for improvement.
Disclosure of Invention
The technical problems solved by the invention are as follows: the utility model provides a fastening assistive device for small-size stage body semi-closed space screw, through rotate the driven lever of installation lower tip and the recess adaptation of screw head terminal surface on the box, and set up the rotatory transmission device of alternating axis that sets up perpendicularly and be connected with the driven lever on the box, the rotatory driving piece drive driven lever with the rotatory transmission device adaptation of alternating axis rotates, provide rotatory basis for the screw, and by the helping hand piece of height-adjustable installation in the driven lever upper end, make helping hand piece withstand to provide decurrent pressure for the screw after treating fastening screw, realize the fastening of screw in semi-closed space, the unable fastening's of screw condition in semi-closed space has been solved, improve product assembly and the quality and the production efficiency of maintenance.
The technical scheme adopted by the invention is as follows: a utensil is assisted in fastening for half confined space screw of small-size stage body, the power distribution box comprises a box body, rotate on the box and install the driven lever that upper and lower both ends all stretched out the case setting and the notch adaptation of tip and screw head terminal surface under the driven lever, with the crisscross axle rotary drive device one end that the driven lever set up perpendicularly is located in the box and is connected with the driven lever, the crisscross axle rotary drive device other end stretches out the box setting and drives the driven lever rotation back by the rotatory driving piece drive crisscross axle rotary drive device rather than tip looks adaptation connection, install the helping hand piece that is used for providing downward pressure for the driven lever with adjustable height in the driven lever upper end.
Furthermore, the staggered shaft rotary transmission device comprises a driving rod rotatably mounted on the box body, a driving bevel gear and a driven bevel gear, wherein the driving bevel gear and the driven bevel gear are arranged in the box body, one end of the driving rod is fixedly connected with the driving bevel gear, the driving bevel gear is meshed with the driven bevel gear fixed on the driven rod, and the other end of the driving rod is connected with the rotary driving piece.
Further, the driving bevel gear and the driven bevel gear are respectively fixed on the driving rod and the driven rod through fastening screws.
Furthermore, the staggered shaft rotary transmission device adopts a worm gear and worm mechanism, the worm and the driven rod are vertically arranged and rotatably installed on the box body, the other end of the worm extends out of the box body and is connected with the rotary driving piece, and the worm gear is fixed on the driven rod and is meshed with the worm.
Furthermore, the rotary driving part is a screwdriver, and the end part of the screwdriver is matched with a notch arranged at the end part of the other end of the staggered shaft rotary transmission device.
Furthermore, the rotary driving piece is a crank fixedly connected with the other end of the staggered shaft rotary transmission device.
Furthermore, the power assisting part comprises a screw rod and a base arranged at the upper end of the screw rod, the screw rod is matched with a threaded hole arranged at the axial center of the upper end of the driven rod in a rotating mode, the height of the screw rod extending out of the driven rod is adjusted by rotating the screw rod, handle rods which are perpendicular to the screw rod and distributed in a straight line shape are fixed on the outer wall of the lower end of the base, and handles are fixed at the outer end parts of the handle rods.
Furthermore, a nut is fixed on the outer wall of the lower end of the base, and the inner end of the handle rod is fixedly connected with the nut in a threaded mode.
Compared with the prior art, the invention has the advantages that:
1. according to the technical scheme, a driven rod with the lower end part matched with a notch on the end face of a screw head is rotatably installed on a box body, a staggered shaft rotary transmission device which is perpendicular to the driven rod and connected with the driven rod is arranged on the box body, and a rotary driving piece matched with the staggered shaft rotary transmission device drives the driven rod to rotate so as to provide a rotary foundation for the screw;
2. according to the technical scheme, the boosting part is mounted at the upper end of the driven rod in a height-adjustable manner, so that the boosting part can provide downward pressure for the screw after propping against the screw to be fastened, and the screw is fastened in a semi-closed space;
3. according to the technical scheme, the rotary driving piece is combined with the downward pressure provided by the power assisting piece through the staggered shaft rotary transmission device and the driven rod, so that the problem that screws cannot be fastened in a semi-closed space is solved, a convenient fastening structure is provided for fastening the screws in the semi-closed space, and the quality and the production efficiency of product assembly and maintenance are improved;
4. according to the technical scheme, a screw rod with a base at the upper end is in threaded connection with the upper end of a driven rod, the height of the screw rod is adjusted by rotating the screw rod, and the base is abutted against the bottom surface of a structure above a screw to be fastened and then provides downward pressure for the driven rod, so that the assisting effect of the screw to be fastened is realized;
5. the technical scheme simplifies the installation and maintenance of the fastener, reduces the operation procedures, shortens the production period and improves the working efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the power assisting element of the invention.
Detailed Description
In the following, an embodiment of the present invention will be described in conjunction with fig. 1-2, so as to clearly and completely describe the technical solutions, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, but not all of the embodiment.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
A fastening assistive device for a small-sized bench body semi-closed space screw comprises a box body 1, a driven rod 2 with upper and lower ends extending out of the box body 1 is rotatably arranged on the box body 1, the lower end part of the driven rod 2 is matched with a notch on the end face of a screw head, wherein the notch can be in a straight shape, a cross shape or an inner hexagonal shape, the driven rod 2 is rotatably arranged on the box body 1 and can be realized by a bearing or a middle sleeve, ring plates are arranged on the outer circumferential walls of the upper and lower parts of the driven rod, the driven rod 2 matched on the box body 1 is positioned, so that the driven rod 2 is rotated, a bulge is fixed on an outer aid fold of the driven rod 2 between the two ring plates, the driven bevel gear 6 is convenient to butt joint, one end of a staggered shaft rotation transmission device vertically arranged with the driven rod 2 is arranged in the box body 1 and is connected with the driven rod 2, the other end of the staggered shaft rotary transmission device stretches out of the box body 1 and drives the staggered shaft rotary transmission device to rotate by the rotary driving piece which is connected with the end part of the staggered shaft rotary transmission device in an adaptive mode and then drives the driven rod 2 to rotate, and the staggered shaft rotary transmission device is specific in structure as follows:
the staggered shaft rotary transmission device comprises a driving rod 4 rotatably mounted on the box body 1, a driving bevel gear 5 and a driven bevel gear 6, wherein the driving bevel gear 5 and the driven bevel gear 6 are arranged in the box body 1; specifically, the driving bevel gear 5 and the driven bevel gear 6 are fixed on the driving rod 4 and the driven rod 2 respectively through fastening screws 8.
The staggered shaft rotary transmission device can also adopt the following structure: the staggered shaft rotary transmission device adopts a worm gear and worm mechanism, the worm and the driven rod 2 are vertically arranged and rotatably installed on the box body 1, the other end of the worm extends out of the box body 1 and is connected with a rotary driving piece, and the worm gear is fixed on the driven rod 2 and is meshed with the worm.
The rotary driving piece is a screwdriver 7, and the end part of the screwdriver 7 is matched with a notch arranged at the end part of the other end of the staggered shaft rotary transmission device; specifically, the rotary driving member is a crank which is fixedly connected with the other end of the staggered shaft rotary transmission device besides the structure.
In the structure, the driven rod 2 with the lower end part matched with the notch of the end face of the screw head is rotatably arranged on the box body 1, the staggered shaft rotary transmission device which is vertically arranged and connected with the driven rod 2 is arranged on the box body 1, and the driven rod 2 is driven to rotate by the rotary driving piece matched with the staggered shaft rotary transmission device so as to provide a rotary foundation for the screw; the boosting part 3 which is arranged at the upper end of the driven rod 2 and has adjustable height is used for providing downward pressure for the screw after the boosting part 3 props against the screw to be fastened, so that the screw is fastened in the semi-closed space;
in order to provide downward pressure for the rotating driven rod 2, the screw to be fastened is fastened in an assisting manner, and therefore, an assisting element 3 for providing downward pressure for the driven rod 2 is arranged at the upper end of the driven rod 2 in a height-adjustable manner; the concrete structure of the power assisting part 3 is as follows: the power assisting part 3 comprises a screw rod 3-1 and a base 3-2 arranged at the upper end of the screw rod 3-1, the screw rod 3-1 is matched and screwed with a threaded hole arranged at the axial center of the upper end of the driven rod 2, the height of the screw rod 3-1 extending out of the driven rod 2 is adjusted by rotating the screw rod 3-1, handle rods 3-3 which are vertically arranged with the screw rod 3-1 and distributed in a straight line shape are fixed on the outer wall of the lower end of the base 3-2, and handles 3-4 are fixed at the outer end parts of the handle rods 3-3; specifically, a nut 3-5 is fixed on the outer wall of the lower end of the base 3-2, and the inner end of the handle rod 3-3 is fixedly connected with the nut 3-5 through threads.
When the screw driver is used, firstly, a screw to be fastened is manually screwed into a corresponding hole, then, the lower end of the driven rod 2 is vertically placed on the head of the screw to be fastened, if the screw cannot be vertically placed, the height of the power assisting piece 3 can be adjusted through the handle 3-4, the screw 3-1 is screwed into the driven rod 2 so as to release a space, the lower end of the driven rod 2 is vertically placed in a notch on the head of the screw to be fastened, the screw 3-1 is adjusted to enable the base 3-2 to be propped against the bottom surface of a structure above the head of the screw to be fastened and rotate to exert a force, so that the pressure on the driven rod 2 is transmitted to the head of the screw to be fastened, the screwdriver 7 is held by a hand to enable the screwdriver 7 to be aligned to the notch at the other end of the driving rod 5, after the screwdriver 7 is rotated anticlockwise, the driving rod 4 drives the driven rod, the head of the screw to be fastened is fastened by the screw to be fastened conveniently and conveniently under the action of the downward force of the driven rod 2 and the rotating force.
According to the invention, the lower end of the driven rod 2 is abutted against the head of a screw to be fastened, the head of the screw to be fastened is taken as a fulcrum, the other side of the driven rod provides a reaction force at the end of the base 3-1, the driven rod 2, the box body 1 and the driving rod 4 are taken as a whole while the screwdriver 7 is held by a hand to rotate in the anticlockwise direction, and the head of the screw to be fastened is driven to rotate and fasten in the clockwise direction, so that the working efficiency of debugging and maintenance is conveniently and quickly improved; meanwhile, the scheme simplifies debugging and maintenance work, reduces operation procedures, shortens production period and improves working efficiency during batch debugging and maintenance;
in the structure, the rotary driving piece is combined with the lower pressure provided by the power assisting piece 3 through the staggered shaft rotary transmission device and the driven rod 2 for the rotary motion provided by the screw to be fastened, so that the problem that the screw in a semi-closed space cannot be fastened is solved, a convenient fastening structure is provided for fastening the screw in the semi-closed space, and the quality and the production efficiency of product assembly and maintenance are improved; the structure that the screw 3-1 with the base 3-2 at the upper end is in threaded connection with the upper end of the driven rod is adopted, the height of the screw is adjusted by rotating the screw, and after the base is tightly abutted to the bottom surface of the structure above the screw to be fastened, downward pressure is provided for the driven rod, so that the power assisting effect of the screw to be fastened is realized, the installation and maintenance of the fastener are simplified, the operation procedures are reduced, the production cycle is shortened, and the working efficiency is improved.
The above-mentioned embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and therefore, all equivalent changes made by the contents of the claims of the present invention should be included in the claims of the present invention.
Claims (8)
1. A fastening assistive device for half confined space screw of small-size stage body, its characterized in that: including box (1), box (1) is gone up to rotate and is installed driven lever (2) that both ends all stretched out box (1) setting and driven lever (2) lower tip and screw head terminal surface's notch adaptation, with the rotatory transmission device one end of staggered shaft that driven lever (2) set up perpendicularly is located in box (1) and is connected with driven lever (2), the rotatory transmission device other end of staggered shaft stretches out box (1) setting and drives behind the rotatory transmission device rotation of staggered shaft by the rotatory driving piece drive with its tip adaptation connection and rotate driven lever (2) rotatoryly, install helping hand spare (3) that are used for providing downward pressure for driven lever (2) from driven lever (2) upper end height-adjustable.
2. The fastening aid for small stage semi-enclosed space screws of claim 1, wherein: the staggered shaft rotary transmission device comprises a driving rod (4) rotatably mounted on a box body (1), a driving bevel gear (5) and a driven bevel gear (6), wherein the driving bevel gear (5) and the driven bevel gear (6) are arranged inside the box body (1), one end of the driving rod (4) is fixedly connected with the driving bevel gear (5), the driving bevel gear (5) is meshed with the driven bevel gear (6) fixed on the driven rod (2), and the other end of the driving rod (4) is connected with a rotary driving piece.
3. The fastening aid for small stage semi-enclosed space screws of claim 2, wherein: the driving bevel gear (5) and the driven bevel gear (6) are respectively fixed on the driving rod (4) and the driven rod (2) through fastening screws (8).
4. The fastening aid for small stage semi-enclosed space screws of claim 1, wherein: the staggered shaft rotary transmission device adopts a worm gear and worm mechanism, the worm and the driven rod (2) are vertically arranged and rotatably installed on the box body (1), the other end of the worm extends out of the box body (1) and is connected with a rotary driving piece, and the worm gear is fixed on the driven rod (2) and is meshed with the worm.
5. The fastening aid for small stage semi-enclosed space screws of claim 1, wherein: the rotary driving piece is a screwdriver (7), and the end part of the screwdriver (7) is matched with a notch arranged at the end part of the other end of the staggered shaft rotary transmission device.
6. The fastening aid for small stage semi-enclosed space screws of claim 1, wherein: the rotary driving piece is a crank fixedly connected with the other end of the staggered shaft rotary transmission device.
7. The fastening aid for small stage semi-enclosed space screws of claim 1, wherein: the power assisting part (3) comprises a screw rod (3-1) and a base (3-2) arranged at the upper end of the screw rod (3-1), the screw rod (3-1) is matched with a threaded hole arranged at the axial center of the upper end of the driven rod (2) in a rotating mode, the height of the screw rod (3-1) extending out of the driven rod (2) is adjusted by rotating the screw rod (3-1), handle rods (3-3) which are perpendicular to the screw rod (3-1) and distributed in a straight line shape are fixed on the outer wall of the lower end of the base (3-2), and handles (3-4) are fixed at the outer end portions of the handle rods (3-3).
8. The fastening aid for small stage semi-enclosed space screws of claim 7, wherein: the outer wall of the lower end of the base (3-2) is fixed with a nut (3-5), and the inner end of the handle rod (3-3) is fixedly connected with the nut (3-5) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011495861.3A CN112621637A (en) | 2020-12-17 | 2020-12-17 | Fastening auxiliary tool for small-sized table body semi-closed space screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011495861.3A CN112621637A (en) | 2020-12-17 | 2020-12-17 | Fastening auxiliary tool for small-sized table body semi-closed space screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112621637A true CN112621637A (en) | 2021-04-09 |
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ID=75316638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011495861.3A Pending CN112621637A (en) | 2020-12-17 | 2020-12-17 | Fastening auxiliary tool for small-sized table body semi-closed space screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112621637A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114290288A (en) * | 2021-12-07 | 2022-04-08 | 北京卫星环境工程研究所 | A Spacecraft Assembly Fastener Pre-tightening Device Based on Moment Reversal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8715248D0 (en) * | 1987-06-29 | 1987-08-05 | Mehmet T | Tool |
| CN201098859Y (en) * | 2007-10-31 | 2008-08-13 | 陈相任 | Tight angle screwdriver |
| CN203438151U (en) * | 2013-09-02 | 2014-02-19 | 安徽机电职业技术学院 | Torsion reverser of screwdriver used in narrow and small space |
| CN107263370A (en) * | 2017-08-16 | 2017-10-20 | 国网河南省电力公司检修公司 | A kind of spanner |
| CN208584462U (en) * | 2018-06-22 | 2019-03-08 | 中国长江电力股份有限公司 | A kind of screwdriver suitable for the installation of crack instrument calibration |
| CN209273310U (en) * | 2018-11-29 | 2019-08-20 | 开封中节能再生能源有限公司 | One kind is to the adjustable wrench for dismounting of wheel bolt |
| CN210060919U (en) * | 2019-05-06 | 2020-02-14 | 锡林郭勒职业学院 | Wrench device for crack |
-
2020
- 2020-12-17 CN CN202011495861.3A patent/CN112621637A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8715248D0 (en) * | 1987-06-29 | 1987-08-05 | Mehmet T | Tool |
| CN201098859Y (en) * | 2007-10-31 | 2008-08-13 | 陈相任 | Tight angle screwdriver |
| CN203438151U (en) * | 2013-09-02 | 2014-02-19 | 安徽机电职业技术学院 | Torsion reverser of screwdriver used in narrow and small space |
| CN107263370A (en) * | 2017-08-16 | 2017-10-20 | 国网河南省电力公司检修公司 | A kind of spanner |
| CN208584462U (en) * | 2018-06-22 | 2019-03-08 | 中国长江电力股份有限公司 | A kind of screwdriver suitable for the installation of crack instrument calibration |
| CN209273310U (en) * | 2018-11-29 | 2019-08-20 | 开封中节能再生能源有限公司 | One kind is to the adjustable wrench for dismounting of wheel bolt |
| CN210060919U (en) * | 2019-05-06 | 2020-02-14 | 锡林郭勒职业学院 | Wrench device for crack |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114290288A (en) * | 2021-12-07 | 2022-04-08 | 北京卫星环境工程研究所 | A Spacecraft Assembly Fastener Pre-tightening Device Based on Moment Reversal |
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Application publication date: 20210409 |
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